... voltage value, RS485/ Modbus relay output, 4~20mA analog output 93x48mm PMAC600A digital power meter offers voltage, current, active power, reactive power ... displaying the measurements, units are V, A, kW, kV, and Hz respectively.PMAC600A digital power meter supports single measurement or multiple measurements ... and small size. Installation size: 90mm x 45mm PMAC600A voltage meter panel LCD